001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.service.permission;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.model.Group;
020    import com.liferay.portal.model.User;
021    import com.liferay.portal.security.auth.PrincipalException;
022    import com.liferay.portal.security.permission.ActionKeys;
023    import com.liferay.portal.security.permission.PermissionChecker;
024    import com.liferay.portal.service.GroupLocalServiceUtil;
025    import com.liferay.portal.service.UserLocalServiceUtil;
026    
027    /**
028     * @author Brian Wing Shun Chan
029     * @author Raymond Augé
030     */
031    public class GroupPermissionImpl implements GroupPermission {
032    
033            public void check(
034                            PermissionChecker permissionChecker, Group group, String actionId)
035                    throws PortalException, SystemException {
036    
037                    if (!contains(permissionChecker, group, actionId)) {
038                            throw new PrincipalException();
039                    }
040            }
041    
042            public void check(
043                            PermissionChecker permissionChecker, long groupId, String actionId)
044                    throws PortalException, SystemException {
045    
046                    if (!contains(permissionChecker, groupId, actionId)) {
047                            throw new PrincipalException();
048                    }
049            }
050    
051            public void check(PermissionChecker permissionChecker, String actionId)
052                    throws PortalException {
053    
054                    if (!contains(permissionChecker, actionId)) {
055                            throw new PrincipalException();
056                    }
057            }
058    
059            public boolean contains(
060                            PermissionChecker permissionChecker, Group group, String actionId)
061                    throws PortalException, SystemException {
062    
063                    long groupId = group.getGroupId();
064    
065                    if (group.isStagingGroup()) {
066                            group = group.getLiveGroup();
067                    }
068    
069                    if (group.isUser()) {
070    
071                            // An individual user would never reach this block because he would
072                            // be an administrator of his own layouts. However, a user who
073                            // manages a set of organizations may be modifying pages of a user
074                            // he manages.
075    
076                            User user = UserLocalServiceUtil.getUserById(group.getClassPK());
077    
078                            if ((permissionChecker.getUserId() != user.getUserId()) &&
079                                     UserPermissionUtil.contains(
080                                            permissionChecker, user.getUserId(),
081                                            user.getOrganizationIds(), ActionKeys.UPDATE)) {
082    
083                                    return true;
084                            }
085                    }
086    
087                    if (actionId.equals(ActionKeys.ADD_LAYOUT) &&
088                            permissionChecker.hasPermission(
089                                    groupId, Group.class.getName(), groupId,
090                                    ActionKeys.MANAGE_LAYOUTS)) {
091    
092                            return true;
093                    }
094                    else if ((actionId.equals(ActionKeys.EXPORT_IMPORT_LAYOUTS) ||
095                                      actionId.equals(ActionKeys.EXPORT_IMPORT_PORTLET_INFO)) &&
096                                     permissionChecker.hasPermission(
097                                             groupId, Group.class.getName(), groupId,
098                                             ActionKeys.PUBLISH_STAGING)) {
099    
100                            return true;
101                    }
102                    else if (actionId.equals(ActionKeys.VIEW) &&
103                                     permissionChecker.hasPermission(
104                                             groupId, Group.class.getName(), groupId,
105                                             ActionKeys.ASSIGN_USER_ROLES)) {
106    
107                            return true;
108                    }
109                    else if (actionId.equals(ActionKeys.VIEW_STAGING) &&
110                                     (permissionChecker.hasPermission(
111                                             groupId, Group.class.getName(), groupId,
112                                             ActionKeys.MANAGE_LAYOUTS) ||
113                                      permissionChecker.hasPermission(
114                                             groupId, Group.class.getName(), groupId,
115                                             ActionKeys.MANAGE_STAGING) ||
116                                      permissionChecker.hasPermission(
117                                             groupId, Group.class.getName(), groupId,
118                                             ActionKeys.PUBLISH_STAGING) ||
119                                      permissionChecker.hasPermission(
120                                             groupId, Group.class.getName(), groupId,
121                                             ActionKeys.UPDATE))) {
122    
123                            return true;
124                    }
125    
126                    // Group id must be set so that users can modify their personal pages
127    
128                    if (permissionChecker.hasPermission(
129                                    groupId, Group.class.getName(), groupId, actionId)) {
130    
131                            return true;
132                    }
133    
134                    while (!group.isRoot()) {
135                            if (contains(
136                                            permissionChecker, group.getParentGroupId(),
137                                            ActionKeys.MANAGE_SUBGROUPS)) {
138    
139                                    return true;
140                            }
141    
142                            group = group.getParentGroup();
143                    }
144    
145                    return false;
146            }
147    
148            public boolean contains(
149                            PermissionChecker permissionChecker, long groupId, String actionId)
150                    throws PortalException, SystemException {
151    
152                    if (groupId > 0) {
153                            Group group = GroupLocalServiceUtil.getGroup(groupId);
154    
155                            return contains(permissionChecker, group, actionId);
156                    }
157                    else {
158                            return false;
159                    }
160            }
161    
162            public boolean contains(
163                    PermissionChecker permissionChecker, String actionId) {
164    
165                    return permissionChecker.hasPermission(
166                            0, Group.class.getName(), 0, actionId);
167            }
168    
169    }